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Merge c8ab691ed9 into 4fe9018b6f

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cgzones 2025-03-27 18:24:41 +00:00 • committed by GitHub
commit 3ffe6f2c45
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2 changed files with 8 additions and 1 deletions
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2
chacha.c
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@ -41,7 +41,7 @@ static const unsigned rounds = 8;
a = PLUS(a, b); d = ROTATE(XOR(d, a), 8); \ a = PLUS(a, b); d = ROTATE(XOR(d, a), 8); \
c = PLUS(c, d); b = ROTATE(XOR(b, c), 7); c = PLUS(c, d); b = ROTATE(XOR(b, c), 7);
static const char sigma[16] = "expand 32-byte k"; static const char sigma[16] NONSTRING = "expand 32-byte k";
void chacha_keysetup(chacha_ctx *x, const u8 *k) { void chacha_keysetup(chacha_ctx *x, const u8 *k) {
x->input[0] = U8TO32_LITTLE(sigma + 0); x->input[0] = U8TO32_LITTLE(sigma + 0);

7
util.h
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@ -32,6 +32,13 @@
#define STRINGIFY(s) #s #define STRINGIFY(s) #s
#define ALIAS(f) __attribute__((alias(STRINGIFY(f)))) #define ALIAS(f) __attribute__((alias(STRINGIFY(f))))
// supported since GCC 15
#if __has_attribute (nonstring)
# define NONSTRING __attribute__ ((nonstring))
#else
# define NONSTRING
#endif
typedef uint8_t u8; typedef uint8_t u8;
typedef uint16_t u16; typedef uint16_t u16;
typedef uint32_t u32; typedef uint32_t u32;